If Speedtests come close, what are you downloading? You could be limited by the servers. Try a few torrents maybe? But then the modem they provide might not be

If Speedtests come close, what are you downloading? You could be limited by the servers. Try a few torrents maybe? But then the modem they provide might not be able to handle that many connections. I can only get full speed with my own router running Openwrt.